.div1{
	width: 700px;
	height: 100px;
	line-height: 100px;
	background-color: #f0f0f0;
}
.rippleria-ink{
	display:block;
	position:absolute;
	background:rgba(255,255,255,.2);
	border-radius:100%;transform:scale(0);
}
.wy-bowen .rippleria-ink{
	background:rgba(0,0,0,.2)
}

@keyframes rippleria{
	100%{opacity:0;transform:scale(2.5)}
}